CN201619373U - Online detection device of uniform-amplitude pattern on printing film or holographic film - Google Patents
Online detection device of uniform-amplitude pattern on printing film or holographic film Download PDFInfo
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- CN201619373U CN201619373U CN2009203535370U CN200920353537U CN201619373U CN 201619373 U CN201619373 U CN 201619373U CN 2009203535370 U CN2009203535370 U CN 2009203535370U CN 200920353537 U CN200920353537 U CN 200920353537U CN 201619373 U CN201619373 U CN 201619373U
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- film
- amplitude pattern
- encoder
- photocell eye
- computing unit
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Abstract
The utility model relates to an online detection device of a uniform-amplitude pattern on a printing film or a holographic film, which is arranged on the output end of the printing film or the holographic film of a molding device. The online detection device is characterized by comprising an encoder, a photocell eye and a computing unit, wherein the encoder is coaxially arranged on a drive roller used for conveying a newly molded printing film or a newly molded holographic film; the photocell eye is arranged on a rack, and the beam of the photocell eye irradiates the uniform-amplitude pattern of the printing film or the holographic film passing by the drive roller; and the encoder is electrically connected with one signal input end of the computing unit, and the photocell eye is electrically connected with the other signal input end of the computing unit. Due to the real-time detection of the uniform-amplitude pattern on the printing film or the holographic film without shutdown, the utility model has the advantages of high automation degree, high detection speed and high detection accuracy, thereby reducing the labor intensity, ensuring the consistency of the product size and improving the production efficiency.
Description
Technical field
The utility model relates to a kind of on-line measuring device, more particularly, relates to constant amplitude pattern on-line measuring device on a kind of print film or the radium-shine film.
Background technology
In the production process of print film or radium-shine film; owing to the characteristic of temperature, coating materials, shut down and reason such as restart image is constantly changed; especially the variation of coating materials characteristic (as thickness, expansion and contraction); can the formation of constant amplitude pattern be made a big impact; thereby make the size of the constant amplitude pattern of producing different, cause the generation of error with the size of the constant amplitude pattern of standard.
At present, detection to constant amplitude pattern on print film or the radium-shine film mainly is to be undertaken by the method for artificial sampling observation, when detecting manually, the tester is that the subjective sensation of basis oneself obtains testing result, and factors such as tester's health, viewing angle all can have influence on testing result, so the accuracy rate of Jian Ceing is low manually; Simultaneously, the speed of Jian Ceing is slow manually, need take great amount of manpower and material resources, thereby production efficiency is low, and detecting manually needs to adopt offline inspection, can be because of shutting down, restarting and cause a large amount of waste products when sampling.
Summary of the invention
The technical problems to be solved in the utility model provides constant amplitude pattern on-line measuring device on a kind of print film or the radium-shine film; this on-line measuring device can detect the constant amplitude pattern on print film or the radium-shine film with not shutting down in real time; so; the automaticity height of this on-line measuring device, fast, the detection accuracy rate height of detection speed; thereby reduced labour intensity; guarantee the uniformity of product size, improved production efficiency.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
Constant amplitude pattern on-line measuring device on a kind of print film or the radium-shine film, be located on the print film or radium-shine film output of molding device, it is characterized in that: comprise encoder, photocell eye and computing unit, above-mentioned encoder is coaxial to be installed on the drive roll of carrying print film that firm mold pressing forms or radium-shine film; Above-mentioned photocell eye is installed on the frame, and the light beam irradiates of photocell eye is from the constant amplitude pattern of the print film of this drive roll process or radium-shine film; Above-mentioned encoder is electrically connected with a signal input part of computing unit, and above-mentioned photocell eye is electrically connected with another signal input part of computing unit.
Described computing unit can be PLC or industrial computer.The aforementioned calculation unit is mainly used in the detection signal of reception photocell eye and the pulse signal of encoder.
Because this on-line measuring device is located on the print film or radium-shine film output of molding device, print film that mold pressing just forms or radium-shine film constantly are fed forward under drive roll drives, when photocell eye detected the leading edge line of the constant amplitude pattern that firm mold pressing forms, photocell eye will send a detection signal and give computing unit; When photocell eye detected the back edge line of the constant amplitude pattern that firm mold pressing forms, the photocell eye inspection will be sent another detection signal and be given computing unit; In the time interval of leading edge line signal and back edge line signal, computing unit constantly calculates the encoder pulse number of receiving, and according to affectionately strokes per minute of the encoder of receiving in the above-mentioned time interval, calculate the physical length of the constant amplitude pattern of firm mold pressing formation, and physical length and the predefined target length that calculates compared, thereby draw the physical length of constant amplitude pattern and the Real-time Error amount between the predefined target length, again according to the size correction technological parameter of this Real-time Error amount, for example adjust the tension force that coating materials is subjected to, to reach the purpose of closed-loop control, the size of above-mentioned Real-time Error amount is controlled in the allowed band, thereby the length that has guaranteed the constant amplitude pattern that mold pressing forms reach actual requirement.
Be described in further detail the operation principle of this on-line measuring device below:
The girth of supposing the drive roll of installation encoder is C, the pulse number that the encoder revolution produces is N, because encoder is coaxial to be installed on the drive roll, so, when encoder sends each pulse width, it is (C/N) that drive roll is carried the constant amplitude pattern length on print film or the radium-shine film, in the time interval of leading edge line signal and back edge line signal, the encoder pulse number that computing unit is received is M, then computing unit is through calculating physical length L=(C/N) the * M of constant amplitude pattern on print film or the radium-shine film, and computing unit is again with the physical length L and the predefined target length L that calculate
0Compare, thereby draw the physical length L and the predefined target length L of constant amplitude pattern
0Between Real-time Error amount e, again according to the size correction technological parameter of Real-time Error amount e, to reach the purpose of closed-loop control, the size of above-mentioned Real-time Error amount e is controlled in the allowed band, thereby the length that has guaranteed the constant amplitude pattern that mold pressing forms reach actual requirement.
As further improvement of the utility model, this on-line measuring device also comprises second encoder and second photocell eye, and above-mentioned second encoder be coaxial to be installed on second drive roll of carrying print film that firm mold pressing forms or radium-shine film; Above-mentioned second photocell eye is installed on the frame, and the light beam irradiates of second photocell eye is from the constant amplitude pattern of the print film of second drive roll process or radium-shine film; Above-mentioned second encoder is electrically connected with the 3rd signal input part of computing unit, and above-mentioned second photocell eye is electrically connected with the 4th signal input part of computing unit.
In like manner, the aforementioned calculation unit is according to the detection signal of second photocell eye that receives and the pulse signal of second encoder, calculate the physical length of the constant amplitude pattern of firm mold pressing formation, and physical length and the predefined target length that calculates compared, thereby draw the physical length of constant amplitude pattern and the Real-time Error amount between the predefined target length, revise technological parameter again according to the size of Real-time Error amount again, thereby reach the purpose of check, guaranteed that further the length of the constant amplitude pattern that mold pressing forms reaches actual instructions for use.
The utility model beneficial effect against existing technologies is; because this on-line measuring device can detect the constant amplitude pattern on print film or the radium-shine film with not shutting down in real time; so; the automaticity height of this on-line measuring device, fast, the detection accuracy rate height of detection speed; thereby reduced labour intensity; guarantee the uniformity of product size, improved production efficiency.
Below in conjunction with the drawings and specific embodiments the utility model is described further.
Description of drawings
Accompanying drawing is the structural representation of the utility model preferred embodiment when being applied to detect.
The specific embodiment
As shown in drawings, constant amplitude pattern on-line measuring device is located on the print film or radium-shine film output of molding device on print film in this preferred embodiment or the radium-shine film, this on-line measuring device comprises first encoder 1, second encoder 2, first photocell eye 3, second photocell eye 4 and a computing unit 5, and aforementioned calculation unit 5 can be PLC or industrial computer;
Above-mentioned first encoder 1 is coaxial to be installed on the drive roll 6 of carrying print film that firm mold pressing forms or radium-shine film, and above-mentioned second encoder 2 is coaxial to be installed in another root and to carry on the drive roll 7 of print film that firm mold pressing forms or radium-shine film; Above-mentioned drive roll 6, drive roll 7 are installed in respectively on the frame 8, above-mentioned drive roll 6, drive roll 7 are arranged side by side, above-mentioned drive roll 6 is in transmission connection by a decelerator 9 and a motor 10, above-mentioned decelerator 9 and motor 10 are located at respectively on the frame 8, and above-mentioned drive roll 7 is in transmission connection by belt 11 and drive roll 6;
Above-mentioned first photocell eye 3, second photocell eye 4 are installed in respectively on the frame 8, the light beam irradiates of first photocell eye 3 is from the constant amplitude pattern of the print film of drive roll 6 processes or radium-shine film, and the light beam irradiates of second photocell eye 4 is from the constant amplitude pattern of the print film of drive roll 7 processes or radium-shine film;
Above-mentioned first encoder 1 is electrically connected with first signal input part of computing unit 5, above-mentioned second encoder 2 is electrically connected with the secondary signal input of computing unit 5, above-mentioned first photocell eye 3 is electrically connected with the 3rd signal input part of computing unit 5, and above-mentioned second photocell eye 4 is electrically connected with the 4th signal input part of computing unit 5.
During detection, computing unit 5 is according to the detection signal of first photocell eye 3 that receives and the pulse signal of first encoder 1, calculate the physical length of the constant amplitude pattern of firm mold pressing formation, and physical length and the predefined target length that calculates compared, thereby draw the physical length of constant amplitude pattern and the Real-time Error amount between the predefined target length, again according to the size correction technological parameter of this Real-time Error amount, for example adjust the tension force that coating materials is subjected to, to reach the purpose of closed-loop control, the size of above-mentioned Real-time Error amount is controlled in the allowed band, guarantees that the length of the constant amplitude pattern that mold pressing forms reaches actual requirement; In like manner, computing unit 5 is according to the detection signal of second photocell eye 4 that receives and the pulse signal of second encoder 2, calculate the physical length of the constant amplitude pattern of firm mold pressing formation, and physical length and the predefined target length that calculates compared, thereby draw the physical length of constant amplitude pattern and the Real-time Error amount between the predefined target length, revise technological parameter again according to the size of this Real-time Error amount again, thereby reach the purpose of check, guaranteed that further the length of the constant amplitude pattern that mold pressing forms reaches actual requirement.
The above is preferred embodiment of the present utility model only, is not to be used for limiting practical range of the present utility model; Be all equivalents of being done according to claim scope of the present utility model, be claim scope of the present utility model and cover.
Claims (3)
1. constant amplitude pattern on-line measuring device on a print film or the radium-shine film, be located on the print film or radium-shine film output of molding device, it is characterized in that: comprise encoder, photocell eye and computing unit, above-mentioned encoder is coaxial to be installed on the drive roll of carrying print film that firm mold pressing forms or radium-shine film; Above-mentioned photocell eye is installed on the frame, and the light beam irradiates of photocell eye is from the constant amplitude pattern of the print film of this drive roll process or radium-shine film; Above-mentioned encoder is electrically connected with a signal input part of computing unit, and above-mentioned photocell eye is electrically connected with another signal input part of computing unit.
2. constant amplitude pattern on-line measuring device on print film as claimed in claim 1 or the radium-shine film is characterized in that: described computing unit is PLC or industrial computer.
3. constant amplitude pattern on-line measuring device on print film as claimed in claim 1 or the radium-shine film, it is characterized in that: this on-line measuring device also comprises second encoder and second photocell eye, and above-mentioned second encoder be coaxial to be installed on second drive roll of carrying print film that firm mold pressing forms or radium-shine film; Above-mentioned second photocell eye is installed on the frame, and the light beam irradiates of second photocell eye is from the constant amplitude pattern of the print film of second drive roll process or radium-shine film; Above-mentioned second encoder is electrically connected with the 3rd signal input part of computing unit, and above-mentioned second photocell eye is electrically connected with the 4th signal input part of computing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203535370U CN201619373U (en) | 2009-12-26 | 2009-12-26 | Online detection device of uniform-amplitude pattern on printing film or holographic film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203535370U CN201619373U (en) | 2009-12-26 | 2009-12-26 | Online detection device of uniform-amplitude pattern on printing film or holographic film |
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| Publication Number | Publication Date |
|---|---|
| CN201619373U true CN201619373U (en) | 2010-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203535370U Expired - Fee Related CN201619373U (en) | 2009-12-26 | 2009-12-26 | Online detection device of uniform-amplitude pattern on printing film or holographic film |
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| CN (1) | CN201619373U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259481A (en) * | 2011-06-02 | 2011-11-30 | 广东东南薄膜科技股份有限公司 | Method for determining length of film by thermally stretching film |
| WO2012129811A1 (en) * | 2011-03-31 | 2012-10-04 | 深圳市科彩印务有限公司 | Method for detecting laser paper |
| CN105584879A (en) * | 2014-10-24 | 2016-05-18 | 中丰田光电科技(珠海)有限公司 | Laser membrane stretching detection method |
-
2009
- 2009-12-26 CN CN2009203535370U patent/CN201619373U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012129811A1 (en) * | 2011-03-31 | 2012-10-04 | 深圳市科彩印务有限公司 | Method for detecting laser paper |
| CN102782483A (en) * | 2011-03-31 | 2012-11-14 | 深圳市科彩印务有限公司 | Method for detecting laser paper |
| CN102259481A (en) * | 2011-06-02 | 2011-11-30 | 广东东南薄膜科技股份有限公司 | Method for determining length of film by thermally stretching film |
| CN102259481B (en) * | 2011-06-02 | 2013-07-03 | 广东东南薄膜科技股份有限公司 | Method for determining length of film by thermally stretching film |
| CN105584879A (en) * | 2014-10-24 | 2016-05-18 | 中丰田光电科技(珠海)有限公司 | Laser membrane stretching detection method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20161226 |